Al–Qaysi, B. jasim y abdul – kareem, F. (2019) «Sustainable value to the customer through the relationship between quality and marketing», Opción, 340, pp. 1165-1204. Disponible en: https://www.produccioncientificaluz.org/index.php/opcion/article/view/24340 (Accedido: 28abril2024).